html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial;
    font-size: 14px;
    line-height: 1.428571429;
    color: #333333;
}

#chart-container {
    position: relative;
    display: inline-block;
    top: 10px;
    left: 10px;
    height: 420px;
    width: calc(100% - 24px);
    border: 2px dashed #aaa;
    border-radius: 5px;
    overflow: auto;
    text-align: center;
}
